A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.
Departure window: through .
| Route / flight | Departure | Cabin | Book with | Points | Fees (USD) | Seats seen | Observed (UTC) |
|---|---|---|---|---|---|---|---|
| IAD → SJO AV655 | Economy | LifeMiles | 7,600 | $106.00 | 5 | ||
| IAD → SJO AV655 | Economy | LifeMiles | 11,300 | $106.00 | 5 | ||
| IAD → SJO AV655 | Economy | Aeroplan | 12,500 | $75.00 | 9 | ||
| IAD → SJO AV655 | Economy | LifeMiles | 13,300 | $106.00 | 5 | ||
| IAD → SJO AV655 | Economy | LifeMiles | 15,000 | $96.00 | 5 | ||
| IAD → SJO AV655 | Business | Aeroplan | 25,000 | $75.00 | 1 | ||
| IAD → SJO UA2052 | Economy | United MileagePlus | 34,000 | $24.00 | 2 | ||
| IAD → SJO AV655 | Business | Aeroplan | 39,000 | $75.00 | 1 | ||
| IAD → SJO AV655 | Economy | Aeroplan | 39,500 | $75.00 | 9 | ||
| IAD → SJO UA2052 | First | United MileagePlus | 67,100 | $24.00 | 2 | ||
| IAD → SJO AV655 | Business | LifeMiles | 76,700 | $106.00 | 2 | ||
| IAD → SJO AV655 | Business | LifeMiles | 88,800 | $106.00 | 2 |
Did you mean Flights from San Jose to Dulles?
Dulles
United StatesIAD
Washington Dulles International Airport
San Jose
Costa RicaSJO
Juan Santamaria International Airport
Washington Dulles International Airport (IAD) serves Dulles; Juan Santamaria International Airport (SJO) serves San Jose.
The airports are 2,043 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from IAD to SJO.
Marketing airlines listed in the current schedule, including codeshare sellers, are Avianca (AV) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Sep 22, 2026 – Sep 5, 2027.
These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.
Airline alliance affiliations represented: Star Alliance
Washington Dulles International Airport (IAD) is the origin airport and Juan Santamaria International Airport (SJO) is the destination airport.
IAD and SJO are approximately 2,043 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from IAD to SJO.
Marketing airlines listed in the current schedule, including codeshare sellers, are Avianca (AV) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.
Aircraft listed in the current schedule include Airbus A320 (320), Airbus A320neo (32N) and Boeing 737 MAX 8 (7M8).